Bonding Basics
What are two or more chemically combined elements called?
Compounds
Draw the electron dot diagram to show the compound that will form between Potassium and Chlorine.
KCl
Name the ionic compound:
Al2O3
Aluminum Oxide
Name the following covalent compound:
N2O4
Dinitrogen tetroxide
Why do elements form compounds?
To be stable
What does a chemical formula tell you?
The type of element and how many of each there are
Draw the electron dot diagram to show the compound that will form between Magnesium and Iodide.
MgI2
Name the ionic compound:
K3PO4
Potassium Phosphate
What is the chemical formula for the following covalent compound:
Hexaboron monosilicide
B6Si
What will magnesium do to become stable?
Lose 2 electrons
What is the charge of an ion called?
Oxidation #
Draw the electron dot diagram to show the compound that will form between Barium and Nitrogen.
Ba3N2
Name the ionic compound:
HgClO3
Mercury (I) Chlorate
What is the chemical formula for the following covalent compound:
Tetraphosphorous pentasulfide
P4S5
How many atoms of each element are in the chemical formula Na2SO4?
Sodium (Na)- 2
Sulfur (S)- 1
Oxygen (O)- 4
What is a covalently bonded group of atoms that is charged called?
Polyatomic Ion
What is the octet rule?
the tendency of atoms to prefer to have eight electrons in the valence shell (full shell)
Determine the chemical formula for the ionic compound:
Iron (III) Bromide
FeBr3
Draw the electron dot structure for the bond that would form between Hydrogen and Iodine.
What type of bond is this?
HI, single bond
What is the difference between single, double, and triple covalent bonds? What can you draw to represent each type of bond?
Single- two atoms share one pair of electrons, represented by 1 line
Double- two atoms share two pairs of electrons, represented by 2 lines
Triple- two atoms share three pairs of electrons, represented by 3 lines
What is the difference between a cation and an anion? Give an example of each.
Cation- positive charge, lose electrons, Mg
Anion- negative charge, gain electrons, P
Draw the electron dot structure for the bond that would form between Silicon and Oxygen.
SiO2, draw bonding lines!!
Determine the chemical formula for the ionic compound:
Magnesium Hydroxide
Mg(OH)2
Draw the electron dot structure for the bond that would form between Carbon and Chlorine.
CCl4, single bond
List the following for each element below: Symbol, group #, oxidation number, ion formed, and # of protons.
- Lithium
- Beryllium
- Phosphorous
- Fluorine
Lithium: Li, 1, +1, Li+1, 3
Beryllium: Be, 2, +2, Be+2, 4
Phosphorous: P, 15, -3, P-3, 15
Fluorine: F, 17, -1, F-1, 9